Networks Analysis and Synthesis - Engineering

Q1:

In an ac network the sum of currents entering a node is 10 ∠45°. The sum of currents leaving the node is

A 19.32 ∠45°

B 15 ∠45°

C 20 ∠45°

D zero

ANS:A - 19.32 ∠45°

As per KCL sum of currents entering a node is equal to sum of currents leaving a node.